Finding the Fourth Proportional to 118,106.58, 177,066.30 and 58,911.78

Step by Step Solution

1. Step 1: Write the proportion equation
   118,106.58 : 177,066.30 = 58,911.78 : x
2. Step 2: Convert to fraction form
   118,106.58/177,066.30 = 58,911.78/x
3. Step 3: Cross multiply
   118,106.58x = 177,066.30 × 58,911.78
4. Step 4: Simplify right side
   118,106.58x = 10,431,290,911.01
5. Step 5: Solve for x
   x = 10,431,290,911.01/118,106.58
6. Step 6: Final answer
   x = 88,321.00