Finding the Fourth Proportional to 998,150.72, 1,495,810.73 and 772,460.55

Step by Step Solution

1. Step 1: Write the proportion equation
   998,150.72 : 1,495,810.73 = 772,460.55 : x
2. Step 2: Convert to fraction form
   998,150.72/1,495,810.73 = 772,460.55/x
3. Step 3: Cross multiply
   998,150.72x = 1,495,810.73 × 772,460.55
4. Step 4: Simplify right side
   998,150.72x = 1,155,454,781,122.85
5. Step 5: Solve for x
   x = 1,155,454,781,122.85/998,150.72
6. Step 6: Final answer
   x = 1,157,595.51