Finding the Fourth Proportional to 70,715.36, 97,580.52 and 42,032.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,715.36 : 97,580.52 = 42,032.72 : x
2. Step 2: Convert to fraction form
   70,715.36/97,580.52 = 42,032.72/x
3. Step 3: Cross multiply
   70,715.36x = 97,580.52 × 42,032.72
4. Step 4: Simplify right side
   70,715.36x = 4,101,574,674.61
5. Step 5: Solve for x
   x = 4,101,574,674.61/70,715.36
6. Step 6: Final answer
   x = 58,001.18