Finding the Fourth Proportional to 73,001.61, 109,513.76 and 30,881.79

Step by Step Solution

1. Step 1: Write the proportion equation
   73,001.61 : 109,513.76 = 30,881.79 : x
2. Step 2: Convert to fraction form
   73,001.61/109,513.76 = 30,881.79/x
3. Step 3: Cross multiply
   73,001.61x = 109,513.76 × 30,881.79
4. Step 4: Simplify right side
   73,001.61x = 3,381,980,784.02
5. Step 5: Solve for x
   x = 3,381,980,784.02/73,001.61
6. Step 6: Final answer
   x = 46,327.48