Finding the Fourth Proportional to 1,931,789.71, 2,666,147.03 and 1,157,451.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,789.71 : 2,666,147.03 = 1,157,451.31 : x
2. Step 2: Convert to fraction form
   1,931,789.71/2,666,147.03 = 1,157,451.31/x
3. Step 3: Cross multiply
   1,931,789.71x = 2,666,147.03 × 1,157,451.31
4. Step 4: Simplify right side
   1,931,789.71x = 3,085,935,372,526.11
5. Step 5: Solve for x
   x = 3,085,935,372,526.11/1,931,789.71
6. Step 6: Final answer
   x = 1,597,448.91