Finding the Fourth Proportional to 69,656.32, 104,422.51 and 30,191.90

Step by Step Solution

1. Step 1: Write the proportion equation
   69,656.32 : 104,422.51 = 30,191.90 : x
2. Step 2: Convert to fraction form
   69,656.32/104,422.51 = 30,191.90/x
3. Step 3: Cross multiply
   69,656.32x = 104,422.51 × 30,191.90
4. Step 4: Simplify right side
   69,656.32x = 3,152,713,828.71
5. Step 5: Solve for x
   x = 3,152,713,828.71/69,656.32
6. Step 6: Final answer
   x = 45,260.99