Finding the Fourth Proportional to 2,153,436.53, 2,971,874.78 and 1,186,566.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,436.53 : 2,971,874.78 = 1,186,566.56 : x
2. Step 2: Convert to fraction form
   2,153,436.53/2,971,874.78 = 1,186,566.56/x
3. Step 3: Cross multiply
   2,153,436.53x = 2,971,874.78 × 1,186,566.56
4. Step 4: Simplify right side
   2,153,436.53x = 3,526,327,244,851.46
5. Step 5: Solve for x
   x = 3,526,327,244,851.46/2,153,436.53
6. Step 6: Final answer
   x = 1,637,534.80