Finding the Fourth Proportional to 67,390,880.74, 93,056,105.10 and 42,654,705.16

Step by Step Solution

1. Step 1: Write the proportion equation
   67,390,880.74 : 93,056,105.10 = 42,654,705.16 : x
2. Step 2: Convert to fraction form
   67,390,880.74/93,056,105.10 = 42,654,705.16/x
3. Step 3: Cross multiply
   67,390,880.74x = 93,056,105.10 × 42,654,705.16
4. Step 4: Simplify right side
   67,390,880.74x = 3,969,280,726,378,471.50
5. Step 5: Solve for x
   x = 3,969,280,726,378,471.50/67,390,880.74
6. Step 6: Final answer
   x = 58,899,374.56