Finding the Fourth Proportional to 74,130.18, 102,298.59 and 42,298.26

Step by Step Solution

1. Step 1: Write the proportion equation
   74,130.18 : 102,298.59 = 42,298.26 : x
2. Step 2: Convert to fraction form
   74,130.18/102,298.59 = 42,298.26/x
3. Step 3: Cross multiply
   74,130.18x = 102,298.59 × 42,298.26
4. Step 4: Simplify right side
   74,130.18x = 4,327,052,357.45
5. Step 5: Solve for x
   x = 4,327,052,357.45/74,130.18
6. Step 6: Final answer
   x = 58,370.99