Finding the Fourth Proportional to 124,896,700.35, 187,452,667.33 and 86,585,118.66

Step by Step Solution

1. Step 1: Write the proportion equation
   124,896,700.35 : 187,452,667.33 = 86,585,118.66 : x
2. Step 2: Convert to fraction form
   124,896,700.35/187,452,667.33 = 86,585,118.66/x
3. Step 3: Cross multiply
   124,896,700.35x = 187,452,667.33 × 86,585,118.66
4. Step 4: Simplify right side
   124,896,700.35x = 16,230,611,443,685,090
5. Step 5: Solve for x
   x = 16,230,611,443,685,090/124,896,700.35
6. Step 6: Final answer
   x = 129,952,283.75