Finding the Fourth Proportional to 123,790.51, 185,698.35 and 42,726.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,790.51 : 185,698.35 = 42,726.98 : x
2. Step 2: Convert to fraction form
   123,790.51/185,698.35 = 42,726.98/x
3. Step 3: Cross multiply
   123,790.51x = 185,698.35 × 42,726.98
4. Step 4: Simplify right side
   123,790.51x = 7,934,329,686.48
5. Step 5: Solve for x
   x = 7,934,329,686.48/123,790.51
6. Step 6: Final answer
   x = 64,094.81