Finding the Fourth Proportional to 78,060.02, 107,722.82 and 42,250.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,060.02 : 107,722.82 = 42,250.02 : x
2. Step 2: Convert to fraction form
   78,060.02/107,722.82 = 42,250.02/x
3. Step 3: Cross multiply
   78,060.02x = 107,722.82 × 42,250.02
4. Step 4: Simplify right side
   78,060.02x = 4,551,291,088.21
5. Step 5: Solve for x
   x = 4,551,291,088.21/78,060.02
6. Step 6: Final answer
   x = 58,305.02