Finding the Fourth Proportional to 156,238.10, 234,356.78 and 37,909.34

Step by Step Solution

1. Step 1: Write the proportion equation
   156,238.10 : 234,356.78 = 37,909.34 : x
2. Step 2: Convert to fraction form
   156,238.10/234,356.78 = 37,909.34/x
3. Step 3: Cross multiply
   156,238.10x = 234,356.78 × 37,909.34
4. Step 4: Simplify right side
   156,238.10x = 8,884,309,492.99
5. Step 5: Solve for x
   x = 8,884,309,492.99/156,238.10
6. Step 6: Final answer
   x = 56,863.91