Finding the Fourth Proportional to 145,875.02, 201,307.59 and 78,807.02

Step by Step Solution

1. Step 1: Write the proportion equation
   145,875.02 : 201,307.59 = 78,807.02 : x
2. Step 2: Convert to fraction form
   145,875.02/201,307.59 = 78,807.02/x
3. Step 3: Cross multiply
   145,875.02x = 201,307.59 × 78,807.02
4. Step 4: Simplify right side
   145,875.02x = 15,864,451,271.28
5. Step 5: Solve for x
   x = 15,864,451,271.28/145,875.02
6. Step 6: Final answer
   x = 108,753.72