Finding the Fourth Proportional to 1,256,573.52, 1,884,851.48 and 508,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,573.52 : 1,884,851.48 = 508,608.72 : x
2. Step 2: Convert to fraction form
   1,256,573.52/1,884,851.48 = 508,608.72/x
3. Step 3: Cross multiply
   1,256,573.52x = 1,884,851.48 × 508,608.72
4. Step 4: Simplify right side
   1,256,573.52x = 958,651,898,632.91
5. Step 5: Solve for x
   x = 958,651,898,632.91/1,256,573.52
6. Step 6: Final answer
   x = 762,909.52