Finding the Fourth Proportional to 1,053,657.78, 1,453,060.71 and 699,411.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,657.78 : 1,453,060.71 = 699,411.93 : x
2. Step 2: Convert to fraction form
   1,053,657.78/1,453,060.71 = 699,411.93/x
3. Step 3: Cross multiply
   1,053,657.78x = 1,453,060.71 × 699,411.93
4. Step 4: Simplify right side
   1,053,657.78x = 1,016,287,995,588.27
5. Step 5: Solve for x
   x = 1,016,287,995,588.27/1,053,657.78
6. Step 6: Final answer
   x = 964,533.28