Finding the Fourth Proportional to 238,411.02, 329,005.83 and 130,978.74

Step by Step Solution

1. Step 1: Write the proportion equation
   238,411.02 : 329,005.83 = 130,978.74 : x
2. Step 2: Convert to fraction form
   238,411.02/329,005.83 = 130,978.74/x
3. Step 3: Cross multiply
   238,411.02x = 329,005.83 × 130,978.74
4. Step 4: Simplify right side
   238,411.02x = 43,092,769,066.05
5. Step 5: Solve for x
   x = 43,092,769,066.05/238,411.02
6. Step 6: Final answer
   x = 180,749.90