Finding the Fourth Proportional to 60,587.34, 90,881.06 and 28,989.98

Step by Step Solution

1. Step 1: Write the proportion equation
   60,587.34 : 90,881.06 = 28,989.98 : x
2. Step 2: Convert to fraction form
   60,587.34/90,881.06 = 28,989.98/x
3. Step 3: Cross multiply
   60,587.34x = 90,881.06 × 28,989.98
4. Step 4: Simplify right side
   60,587.34x = 2,634,640,111.78
5. Step 5: Solve for x
   x = 2,634,640,111.78/60,587.34
6. Step 6: Final answer
   x = 43,484.99