Finding the Fourth Proportional to 55,240,785.16, 82,861,439.82 and 16,902,238.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,240,785.16 : 82,861,439.82 = 16,902,238.12 : x
2. Step 2: Convert to fraction form
   55,240,785.16/82,861,439.82 = 16,902,238.12/x
3. Step 3: Cross multiply
   55,240,785.16x = 82,861,439.82 × 16,902,238.12
4. Step 4: Simplify right side
   55,240,785.16x = 1,400,543,786,803,690
5. Step 5: Solve for x
   x = 1,400,543,786,803,690/55,240,785.16
6. Step 6: Final answer
   x = 25,353,437.37