Finding the Fourth Proportional to 30,886,326.15, 42,623,113.59 and 16,947,772.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,886,326.15 : 42,623,113.59 = 16,947,772.80 : x
2. Step 2: Convert to fraction form
   30,886,326.15/42,623,113.59 = 16,947,772.80/x
3. Step 3: Cross multiply
   30,886,326.15x = 42,623,113.59 × 16,947,772.80
4. Step 4: Simplify right side
   30,886,326.15x = 722,366,845,151,912.50
5. Step 5: Solve for x
   x = 722,366,845,151,912.50/30,886,326.15
6. Step 6: Final answer
   x = 23,387,917.41