Finding the Fourth Proportional to 78,038,624.67, 107,688,251.61 and 42,756,381.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,038,624.67 : 107,688,251.61 = 42,756,381.42 : x
2. Step 2: Convert to fraction form
   78,038,624.67/107,688,251.61 = 42,756,381.42/x
3. Step 3: Cross multiply
   78,038,624.67x = 107,688,251.61 × 42,756,381.42
4. Step 4: Simplify right side
   78,038,624.67x = 4,604,359,960,290,089
5. Step 5: Solve for x
   x = 4,604,359,960,290,089/78,038,624.67
6. Step 6: Final answer
   x = 59,001,039.29