Finding the Fourth Proportional to 72,875.19, 109,329.53 and 37,807.05

Step by Step Solution

1. Step 1: Write the proportion equation
   72,875.19 : 109,329.53 = 37,807.05 : x
2. Step 2: Convert to fraction form
   72,875.19/109,329.53 = 37,807.05/x
3. Step 3: Cross multiply
   72,875.19x = 109,329.53 × 37,807.05
4. Step 4: Simplify right side
   72,875.19x = 4,133,426,818.15
5. Step 5: Solve for x
   x = 4,133,426,818.15/72,875.19
6. Step 6: Final answer
   x = 56,719.26