Finding the Fourth Proportional to 109,743.15, 151,437.69 and 64,422.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,743.15 : 151,437.69 = 64,422.98 : x
2. Step 2: Convert to fraction form
   109,743.15/151,437.69 = 64,422.98/x
3. Step 3: Cross multiply
   109,743.15x = 151,437.69 × 64,422.98
4. Step 4: Simplify right side
   109,743.15x = 9,756,066,516.93
5. Step 5: Solve for x
   x = 9,756,066,516.93/109,743.15
6. Step 6: Final answer
   x = 88,899.09