Finding the Fourth Proportional to 16,781,828.95, 23,152,366.61 and 9,437,978.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781,828.95 : 23,152,366.61 = 9,437,978.63 : x
2. Step 2: Convert to fraction form
   16,781,828.95/23,152,366.61 = 9,437,978.63/x
3. Step 3: Cross multiply
   16,781,828.95x = 23,152,366.61 × 9,437,978.63
4. Step 4: Simplify right side
   16,781,828.95x = 218,511,541,299,105.56
5. Step 5: Solve for x
   x = 218,511,541,299,105.56/16,781,828.95
6. Step 6: Final answer
   x = 13,020,722.71