Finding the Fourth Proportional to 38,308,229.98, 52,866,473.88 and 20,905,696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   38,308,229.98 : 52,866,473.88 = 20,905,696.18 : x
2. Step 2: Convert to fraction form
   38,308,229.98/52,866,473.88 = 20,905,696.18/x
3. Step 3: Cross multiply
   38,308,229.98x = 52,866,473.88 × 20,905,696.18
4. Step 4: Simplify right side
   38,308,229.98x = 1,105,210,441,043,185.88
5. Step 5: Solve for x
   x = 1,105,210,441,043,185.88/38,308,229.98
6. Step 6: Final answer
   x = 28,850,470.03