Finding the Fourth Proportional to 70,935.83, 97,892.10 and 39,105.87

Step by Step Solution

1. Step 1: Write the proportion equation
   70,935.83 : 97,892.10 = 39,105.87 : x
2. Step 2: Convert to fraction form
   70,935.83/97,892.10 = 39,105.87/x
3. Step 3: Cross multiply
   70,935.83x = 97,892.10 × 39,105.87
4. Step 4: Simplify right side
   70,935.83x = 3,828,155,369.53
5. Step 5: Solve for x
   x = 3,828,155,369.53/70,935.83
6. Step 6: Final answer
   x = 53,966.46