Finding the Fourth Proportional to 194,060.89, 291,074.65 and 118,139.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,060.89 : 291,074.65 = 118,139.72 : x
2. Step 2: Convert to fraction form
   194,060.89/291,074.65 = 118,139.72/x
3. Step 3: Cross multiply
   194,060.89x = 291,074.65 × 118,139.72
4. Step 4: Simplify right side
   194,060.89x = 34,387,477,650.10
5. Step 5: Solve for x
   x = 34,387,477,650.10/194,060.89
6. Step 6: Final answer
   x = 177,199.42