Finding the Fourth Proportional to 9,888,667.61, 14,830,674.38 and 5,572,599.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,888,667.61 : 14,830,674.38 = 5,572,599.77 : x
2. Step 2: Convert to fraction form
   9,888,667.61/14,830,674.38 = 5,572,599.77/x
3. Step 3: Cross multiply
   9,888,667.61x = 14,830,674.38 × 5,572,599.77
4. Step 4: Simplify right side
   9,888,667.61x = 82,645,412,611,069.89
5. Step 5: Solve for x
   x = 82,645,412,611,069.89/9,888,667.61
6. Step 6: Final answer
   x = 8,357,588.29