Finding the Fourth Proportional to 279,761.94, 386,071.56 and 152,437.59

Step by Step Solution

1. Step 1: Write the proportion equation
   279,761.94 : 386,071.56 = 152,437.59 : x
2. Step 2: Convert to fraction form
   279,761.94/386,071.56 = 152,437.59/x
3. Step 3: Cross multiply
   279,761.94x = 386,071.56 × 152,437.59
4. Step 4: Simplify right side
   279,761.94x = 58,851,818,173.94
5. Step 5: Solve for x
   x = 58,851,818,173.94/279,761.94
6. Step 6: Final answer
   x = 210,363.92