Finding the Fourth Proportional to 99,719.12, 149,534.84 and 37,345.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,719.12 : 149,534.84 = 37,345.88 : x
2. Step 2: Convert to fraction form
   99,719.12/149,534.84 = 37,345.88/x
3. Step 3: Cross multiply
   99,719.12x = 149,534.84 × 37,345.88
4. Step 4: Simplify right side
   99,719.12x = 5,584,510,190.46
5. Step 5: Solve for x
   x = 5,584,510,190.46/99,719.12
6. Step 6: Final answer
   x = 56,002.40