Finding the Fourth Proportional to 1,575,602,648.82, 2,174,338,409.27 and 861,152,592.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575,602,648.82 : 2,174,338,409.27 = 861,152,592.15 : x
2. Step 2: Convert to fraction form
   1,575,602,648.82/2,174,338,409.27 = 861,152,592.15/x
3. Step 3: Cross multiply
   1,575,602,648.82x = 2,174,338,409.27 × 861,152,592.15
4. Step 4: Simplify right side
   1,575,602,648.82x = 1,872,437,157,349,862,144
5. Step 5: Solve for x
   x = 1,872,437,157,349,862,144/1,575,602,648.82
6. Step 6: Final answer
   x = 1,188,394,268.54