Finding the Fourth Proportional to 116,139, 173,877.96 and 76,575.36

Step by Step Solution

1. Step 1: Write the proportion equation
   116,139 : 173,877.96 = 76,575.36 : x
2. Step 2: Convert to fraction form
   116,139/173,877.96 = 76,575.36/x
3. Step 3: Cross multiply
   116,139x = 173,877.96 × 76,575.36
4. Step 4: Simplify right side
   116,139x = 13,314,767,383.07
5. Step 5: Solve for x
   x = 13,314,767,383.07/116,139
6. Step 6: Final answer
   x = 114,645.10