Finding the Fourth Proportional to 1,150,856.47, 1,588,276.47 and 634,711.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,856.47 : 1,588,276.47 = 634,711.31 : x
2. Step 2: Convert to fraction form
   1,150,856.47/1,588,276.47 = 634,711.31/x
3. Step 3: Cross multiply
   1,150,856.47x = 1,588,276.47 × 634,711.31
4. Step 4: Simplify right side
   1,150,856.47x = 1,008,097,038,915.88
5. Step 5: Solve for x
   x = 1,008,097,038,915.88/1,150,856.47
6. Step 6: Final answer
   x = 875,953.75