Finding the Fourth Proportional to 1,904,753.31, 2,856,955.01 and 642,591.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904,753.31 : 2,856,955.01 = 642,591.87 : x
2. Step 2: Convert to fraction form
   1,904,753.31/2,856,955.01 = 642,591.87/x
3. Step 3: Cross multiply
   1,904,753.31x = 2,856,955.01 × 642,591.87
4. Step 4: Simplify right side
   1,904,753.31x = 1,835,856,059,168.81
5. Step 5: Solve for x
   x = 1,835,856,059,168.81/1,904,753.31
6. Step 6: Final answer
   x = 963,828.78