Finding the Fourth Proportional to 94,967,695.24, 141,653,089.72 and 86,249,405.63

Step by Step Solution

1. Step 1: Write the proportion equation
   94,967,695.24 : 141,653,089.72 = 86,249,405.63 : x
2. Step 2: Convert to fraction form
   94,967,695.24/141,653,089.72 = 86,249,405.63/x
3. Step 3: Cross multiply
   94,967,695.24x = 141,653,089.72 × 86,249,405.63
4. Step 4: Simplify right side
   94,967,695.24x = 12,217,494,794,003,062
5. Step 5: Solve for x
   x = 12,217,494,794,003,062/94,967,695.24
6. Step 6: Final answer
   x = 128,648,955.45