Finding the Fourth Proportional to 73,881.72, 101,990.34 and 47,061

Step by Step Solution

1. Step 1: Write the proportion equation
   73,881.72 : 101,990.34 = 47,061 : x
2. Step 2: Convert to fraction form
   73,881.72/101,990.34 = 47,061/x
3. Step 3: Cross multiply
   73,881.72x = 101,990.34 × 47,061
4. Step 4: Simplify right side
   73,881.72x = 4,799,767,390.74
5. Step 5: Solve for x
   x = 4,799,767,390.74/73,881.72
6. Step 6: Final answer
   x = 64,965.56