Finding the Fourth Proportional to 1,155,755.91, 1,595,077.88 and 672,341.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,755.91 : 1,595,077.88 = 672,341.43 : x
2. Step 2: Convert to fraction form
   1,155,755.91/1,595,077.88 = 672,341.43/x
3. Step 3: Cross multiply
   1,155,755.91x = 1,595,077.88 × 672,341.43
4. Step 4: Simplify right side
   1,155,755.91x = 1,072,436,939,438.86
5. Step 5: Solve for x
   x = 1,072,436,939,438.86/1,155,755.91
6. Step 6: Final answer
   x = 927,909.54