Finding the Fourth Proportional to 9,490,430.68, 13,096,725.89 and 5,139,416.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,490,430.68 : 13,096,725.89 = 5,139,416.05 : x
2. Step 2: Convert to fraction form
   9,490,430.68/13,096,725.89 = 5,139,416.05/x
3. Step 3: Cross multiply
   9,490,430.68x = 13,096,725.89 × 5,139,416.05
4. Step 4: Simplify right side
   9,490,430.68x = 67,309,523,261,409.80
5. Step 5: Solve for x
   x = 67,309,523,261,409.80/9,490,430.68
6. Step 6: Final answer
   x = 7,092,357.08