Finding the Fourth Proportional to 34,928,909.15, 52,335,443.06 and 21,240,649.74

Step by Step Solution

1. Step 1: Write the proportion equation
   34,928,909.15 : 52,335,443.06 = 21,240,649.74 : x
2. Step 2: Convert to fraction form
   34,928,909.15/52,335,443.06 = 21,240,649.74/x
3. Step 3: Cross multiply
   34,928,909.15x = 52,335,443.06 × 21,240,649.74
4. Step 4: Simplify right side
   34,928,909.15x = 1,111,638,815,194,880.88
5. Step 5: Solve for x
   x = 1,111,638,815,194,880.88/34,928,909.15
6. Step 6: Final answer
   x = 31,825,752.43