Finding the Fourth Proportional to 1,137,463.34, 1,569,738.15 and 672,715.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,463.34 : 1,569,738.15 = 672,715.61 : x
2. Step 2: Convert to fraction form
   1,137,463.34/1,569,738.15 = 672,715.61/x
3. Step 3: Cross multiply
   1,137,463.34x = 1,569,738.15 × 672,715.61
4. Step 4: Simplify right side
   1,137,463.34x = 1,055,987,357,117.52
5. Step 5: Solve for x
   x = 1,055,987,357,117.52/1,137,463.34
6. Step 6: Final answer
   x = 928,370.45