Finding the Fourth Proportional to 78,325.02, 108,088.56 and 42,515.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,325.02 : 108,088.56 = 42,515.01 : x
2. Step 2: Convert to fraction form
   78,325.02/108,088.56 = 42,515.01/x
3. Step 3: Cross multiply
   78,325.02x = 108,088.56 × 42,515.01
4. Step 4: Simplify right side
   78,325.02x = 4,595,386,209.29
5. Step 5: Solve for x
   x = 4,595,386,209.29/78,325.02
6. Step 6: Final answer
   x = 58,670.73