Finding the Fourth Proportional to 914,905.02, 1,262,558.82 and 501,445.15

Step by Step Solution

1. Step 1: Write the proportion equation
   914,905.02 : 1,262,558.82 = 501,445.15 : x
2. Step 2: Convert to fraction form
   914,905.02/1,262,558.82 = 501,445.15/x
3. Step 3: Cross multiply
   914,905.02x = 1,262,558.82 × 501,445.15
4. Step 4: Simplify right side
   914,905.02x = 633,103,996,878.72
5. Step 5: Solve for x
   x = 633,103,996,878.72/914,905.02
6. Step 6: Final answer
   x = 691,988.77