Finding the Fourth Proportional to 260,914.08, 391,374.72 and 73,925.40

Step by Step Solution

1. Step 1: Write the proportion equation
   260,914.08 : 391,374.72 = 73,925.40 : x
2. Step 2: Convert to fraction form
   260,914.08/391,374.72 = 73,925.40/x
3. Step 3: Cross multiply
   260,914.08x = 391,374.72 × 73,925.40
4. Step 4: Simplify right side
   260,914.08x = 28,932,532,725.89
5. Step 5: Solve for x
   x = 28,932,532,725.89/260,914.08
6. Step 6: Final answer
   x = 110,889.12