Finding the Fourth Proportional to 2,105,492,972.66, 3,153,225,853.50 and 1,218,308,623.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,492,972.66 : 3,153,225,853.50 = 1,218,308,623.89 : x
2. Step 2: Convert to fraction form
   2,105,492,972.66/3,153,225,853.50 = 1,218,308,623.89/x
3. Step 3: Cross multiply
   2,105,492,972.66x = 3,153,225,853.50 × 1,218,308,623.89
4. Step 4: Simplify right side
   2,105,492,972.66x = 3,841,602,250,403,429,376
5. Step 5: Solve for x
   x = 3,841,602,250,403,429,376/2,105,492,972.66
6. Step 6: Final answer
   x = 1,824,561,896.09