Finding the Fourth Proportional to 69,055.56, 95,303.99 and 42,213.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,055.56 : 95,303.99 = 42,213.78 : x
2. Step 2: Convert to fraction form
   69,055.56/95,303.99 = 42,213.78/x
3. Step 3: Cross multiply
   69,055.56x = 95,303.99 × 42,213.78
4. Step 4: Simplify right side
   69,055.56x = 4,023,141,666.98
5. Step 5: Solve for x
   x = 4,023,141,666.98/69,055.56
6. Step 6: Final answer
   x = 58,259.49