Finding the Fourth Proportional to 42,688,436.81, 58,910,030.37 and 23,109,310.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,436.81 : 58,910,030.37 = 23,109,310.67 : x
2. Step 2: Convert to fraction form
   42,688,436.81/58,910,030.37 = 23,109,310.67/x
3. Step 3: Cross multiply
   42,688,436.81x = 58,910,030.37 × 23,109,310.67
4. Step 4: Simplify right side
   42,688,436.81x = 1,361,370,193,194,416.75
5. Step 5: Solve for x
   x = 1,361,370,193,194,416.75/42,688,436.81
6. Step 6: Final answer
   x = 31,890,841.99