Finding the Fourth Proportional to 1,116,507.15, 1,541,126.76 and 887,470.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,507.15 : 1,541,126.76 = 887,470.83 : x
2. Step 2: Convert to fraction form
   1,116,507.15/1,541,126.76 = 887,470.83/x
3. Step 3: Cross multiply
   1,116,507.15x = 1,541,126.76 × 887,470.83
4. Step 4: Simplify right side
   1,116,507.15x = 1,367,705,044,832.41
5. Step 5: Solve for x
   x = 1,367,705,044,832.41/1,116,507.15
6. Step 6: Final answer
   x = 1,224,985.48