Finding the Fourth Proportional to 9,903,840, 13,667,506.56 and 5,611,488

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903,840 : 13,667,506.56 = 5,611,488 : x
2. Step 2: Convert to fraction form
   9,903,840/13,667,506.56 = 5,611,488/x
3. Step 3: Cross multiply
   9,903,840x = 13,667,506.56 × 5,611,488
4. Step 4: Simplify right side
   9,903,840x = 76,695,049,051,361.28
5. Step 5: Solve for x
   x = 76,695,049,051,361.28/9,903,840
6. Step 6: Final answer
   x = 7,743,970.93