Finding the Fourth Proportional to 90,118.02, 135,095.48 and 42,703.58

Step by Step Solution

1. Step 1: Write the proportion equation
   90,118.02 : 135,095.48 = 42,703.58 : x
2. Step 2: Convert to fraction form
   90,118.02/135,095.48 = 42,703.58/x
3. Step 3: Cross multiply
   90,118.02x = 135,095.48 × 42,703.58
4. Step 4: Simplify right side
   90,118.02x = 5,769,060,637.82
5. Step 5: Solve for x
   x = 5,769,060,637.82/90,118.02
6. Step 6: Final answer
   x = 64,016.73