Finding the Fourth Proportional to 42,688,437.48, 58,910,031.30 and 23,109,311.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,437.48 : 58,910,031.30 = 23,109,311.34 : x
2. Step 2: Convert to fraction form
   42,688,437.48/58,910,031.30 = 23,109,311.34/x
3. Step 3: Cross multiply
   42,688,437.48x = 58,910,031.30 × 23,109,311.34
4. Step 4: Simplify right side
   42,688,437.48x = 1,361,370,254,360,844.75
5. Step 5: Solve for x
   x = 1,361,370,254,360,844.75/42,688,437.48
6. Step 6: Final answer
   x = 31,890,842.92