Finding the Fourth Proportional to 117,547.08, 176,320.32 and 42,667.20

Step by Step Solution

1. Step 1: Write the proportion equation
   117,547.08 : 176,320.32 = 42,667.20 : x
2. Step 2: Convert to fraction form
   117,547.08/176,320.32 = 42,667.20/x
3. Step 3: Cross multiply
   117,547.08x = 176,320.32 × 42,667.20
4. Step 4: Simplify right side
   117,547.08x = 7,523,094,357.50
5. Step 5: Solve for x
   x = 7,523,094,357.50/117,547.08
6. Step 6: Final answer
   x = 64,000.69