Finding the Fourth Proportional to 114,359.36, 157,820.64 and 64,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,359.36 : 157,820.64 = 64,058.72 : x
2. Step 2: Convert to fraction form
   114,359.36/157,820.64 = 64,058.72/x
3. Step 3: Cross multiply
   114,359.36x = 157,820.64 × 64,058.72
4. Step 4: Simplify right side
   114,359.36x = 10,109,788,187.98
5. Step 5: Solve for x
   x = 10,109,788,187.98/114,359.36
6. Step 6: Final answer
   x = 88,403.68