Finding the Fourth Proportional to 101,443.17, 152,178.58 and 42,265

Step by Step Solution

1. Step 1: Write the proportion equation
   101,443.17 : 152,178.58 = 42,265 : x
2. Step 2: Convert to fraction form
   101,443.17/152,178.58 = 42,265/x
3. Step 3: Cross multiply
   101,443.17x = 152,178.58 × 42,265
4. Step 4: Simplify right side
   101,443.17x = 6,431,827,683.70
5. Step 5: Solve for x
   x = 6,431,827,683.70/101,443.17
6. Step 6: Final answer
   x = 63,403.26