Finding the Fourth Proportional to 8,783,978.84, 12,121,888.10 and 4,916,498.97

Step by Step Solution

1. Step 1: Write the proportion equation
   8,783,978.84 : 12,121,888.10 = 4,916,498.97 : x
2. Step 2: Convert to fraction form
   8,783,978.84/12,121,888.10 = 4,916,498.97/x
3. Step 3: Cross multiply
   8,783,978.84x = 12,121,888.10 × 4,916,498.97
4. Step 4: Simplify right side
   8,783,978.84x = 59,597,250,333,522.77
5. Step 5: Solve for x
   x = 59,597,250,333,522.77/8,783,978.84
6. Step 6: Final answer
   x = 6,784,767.07