Finding the Fourth Proportional to 46,570.12, 69,828.72 and 42,602.76

Step by Step Solution

1. Step 1: Write the proportion equation
   46,570.12 : 69,828.72 = 42,602.76 : x
2. Step 2: Convert to fraction form
   46,570.12/69,828.72 = 42,602.76/x
3. Step 3: Cross multiply
   46,570.12x = 69,828.72 × 42,602.76
4. Step 4: Simplify right side
   46,570.12x = 2,974,896,199.27
5. Step 5: Solve for x
   x = 2,974,896,199.27/46,570.12
6. Step 6: Final answer
   x = 63,879.93