Finding the Fourth Proportional to 1,154,128.50, 1,592,649.95 and 670,689.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,128.50 : 1,592,649.95 = 670,689.72 : x
2. Step 2: Convert to fraction form
   1,154,128.50/1,592,649.95 = 670,689.72/x
3. Step 3: Cross multiply
   1,154,128.50x = 1,592,649.95 × 670,689.72
4. Step 4: Simplify right side
   1,154,128.50x = 1,068,173,945,670.07
5. Step 5: Solve for x
   x = 1,068,173,945,670.07/1,154,128.50
6. Step 6: Final answer
   x = 925,524.28