Finding the Fourth Proportional to 78,038,626.92, 107,688,254.72 and 42,756,383.67

Step by Step Solution

1. Step 1: Write the proportion equation
   78,038,626.92 : 107,688,254.72 = 42,756,383.67 : x
2. Step 2: Convert to fraction form
   78,038,626.92/107,688,254.72 = 42,756,383.67/x
3. Step 3: Cross multiply
   78,038,626.92x = 107,688,254.72 × 42,756,383.67
4. Step 4: Simplify right side
   78,038,626.92x = 4,604,360,335,347,227
5. Step 5: Solve for x
   x = 4,604,360,335,347,227/78,038,626.92
6. Step 6: Final answer
   x = 59,001,042.39