Finding the Fourth Proportional to 109,410.13, 150,985.98 and 59,109.13

Step by Step Solution

1. Step 1: Write the proportion equation
   109,410.13 : 150,985.98 = 59,109.13 : x
2. Step 2: Convert to fraction form
   109,410.13/150,985.98 = 59,109.13/x
3. Step 3: Cross multiply
   109,410.13x = 150,985.98 × 59,109.13
4. Step 4: Simplify right side
   109,410.13x = 8,924,648,869.52
5. Step 5: Solve for x
   x = 8,924,648,869.52/109,410.13
6. Step 6: Final answer
   x = 81,570.59