Finding the Fourth Proportional to 111,810.79, 154,300.17 and 64,063.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,810.79 : 154,300.17 = 64,063.18 : x
2. Step 2: Convert to fraction form
   111,810.79/154,300.17 = 64,063.18/x
3. Step 3: Cross multiply
   111,810.79x = 154,300.17 × 64,063.18
4. Step 4: Simplify right side
   111,810.79x = 9,884,959,564.74
5. Step 5: Solve for x
   x = 9,884,959,564.74/111,810.79
6. Step 6: Final answer
   x = 88,407.92