Finding the Fourth Proportional to 28,011,483.98, 42,036,108.89 and 9,815,842.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,011,483.98 : 42,036,108.89 = 9,815,842.63 : x
2. Step 2: Convert to fraction form
   28,011,483.98/42,036,108.89 = 9,815,842.63/x
3. Step 3: Cross multiply
   28,011,483.98x = 42,036,108.89 × 9,815,842.63
4. Step 4: Simplify right side
   28,011,483.98x = 412,619,829,641,784
5. Step 5: Solve for x
   x = 412,619,829,641,784/28,011,483.98
6. Step 6: Final answer
   x = 14,730,380.94