Finding the Fourth Proportional to 153,785.16, 230,598.72 and 69,499.67

Step by Step Solution

1. Step 1: Write the proportion equation
   153,785.16 : 230,598.72 = 69,499.67 : x
2. Step 2: Convert to fraction form
   153,785.16/230,598.72 = 69,499.67/x
3. Step 3: Cross multiply
   153,785.16x = 230,598.72 × 69,499.67
4. Step 4: Simplify right side
   153,785.16x = 16,026,533,789.43
5. Step 5: Solve for x
   x = 16,026,533,789.43/153,785.16
6. Step 6: Final answer
   x = 104,213.79