Finding the Fourth Proportional to 153,066.82, 229,599.91 and 42,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,066.82 : 229,599.91 = 42,258.50 : x
2. Step 2: Convert to fraction form
   153,066.82/229,599.91 = 42,258.50/x
3. Step 3: Cross multiply
   153,066.82x = 229,599.91 × 42,258.50
4. Step 4: Simplify right side
   153,066.82x = 9,702,547,796.74
5. Step 5: Solve for x
   x = 9,702,547,796.74/153,066.82
6. Step 6: Final answer
   x = 63,387.66