Finding the Fourth Proportional to 124,685.10, 172,066.53 and 70,973.57

Step by Step Solution

1. Step 1: Write the proportion equation
   124,685.10 : 172,066.53 = 70,973.57 : x
2. Step 2: Convert to fraction form
   124,685.10/172,066.53 = 70,973.57/x
3. Step 3: Cross multiply
   124,685.10x = 172,066.53 × 70,973.57
4. Step 4: Simplify right side
   124,685.10x = 12,212,175,911.61
5. Step 5: Solve for x
   x = 12,212,175,911.61/124,685.10
6. Step 6: Final answer
   x = 97,944.15