Finding the Fourth Proportional to 404,758,710.62, 607,138,061.83 and 145,973,927.10

Step by Step Solution

1. Step 1: Write the proportion equation
   404,758,710.62 : 607,138,061.83 = 145,973,927.10 : x
2. Step 2: Convert to fraction form
   404,758,710.62/607,138,061.83 = 145,973,927.10/x
3. Step 3: Cross multiply
   404,758,710.62x = 607,138,061.83 × 145,973,927.10
4. Step 4: Simplify right side
   404,758,710.62x = 88,626,327,175,701,360
5. Step 5: Solve for x
   x = 88,626,327,175,701,360/404,758,710.62
6. Step 6: Final answer
   x = 218,960,889.17