Finding the Fourth Proportional to 124,684.63, 172,065.89 and 70,973.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124,684.63 : 172,065.89 = 70,973.10 : x
2. Step 2: Convert to fraction form
   124,684.63/172,065.89 = 70,973.10/x
3. Step 3: Cross multiply
   124,684.63x = 172,065.89 × 70,973.10
4. Step 4: Simplify right side
   124,684.63x = 12,212,049,617.56
5. Step 5: Solve for x
   x = 12,212,049,617.56/124,684.63
6. Step 6: Final answer
   x = 97,943.50