Finding the Fourth Proportional to 114,987.58, 158,688.10 and 64,003.58

Step by Step Solution

1. Step 1: Write the proportion equation
   114,987.58 : 158,688.10 = 64,003.58 : x
2. Step 2: Convert to fraction form
   114,987.58/158,688.10 = 64,003.58/x
3. Step 3: Cross multiply
   114,987.58x = 158,688.10 × 64,003.58
4. Step 4: Simplify right side
   114,987.58x = 10,156,606,503.40
5. Step 5: Solve for x
   x = 10,156,606,503.40/114,987.58
6. Step 6: Final answer
   x = 88,327.86