Finding the Fourth Proportional to 1,009,633,608.72, 1,514,983,625.55 and 716,423,382.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,633,608.72 : 1,514,983,625.55 = 716,423,382.59 : x
2. Step 2: Convert to fraction form
   1,009,633,608.72/1,514,983,625.55 = 716,423,382.59/x
3. Step 3: Cross multiply
   1,009,633,608.72x = 1,514,983,625.55 × 716,423,382.59
4. Step 4: Simplify right side
   1,009,633,608.72x = 1,085,369,693,577,418,112
5. Step 5: Solve for x
   x = 1,085,369,693,577,418,112/1,009,633,608.72
6. Step 6: Final answer
   x = 1,075,013,434.78