Finding the Fourth Proportional to 10,380,068.59, 15,573,434.42 and 4,989,109.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,380,068.59 : 15,573,434.42 = 4,989,109.94 : x
2. Step 2: Convert to fraction form
   10,380,068.59/15,573,434.42 = 4,989,109.94/x
3. Step 3: Cross multiply
   10,380,068.59x = 15,573,434.42 × 4,989,109.94
4. Step 4: Simplify right side
   10,380,068.59x = 77,697,576,464,760.14
5. Step 5: Solve for x
   x = 77,697,576,464,760.14/10,380,068.59
6. Step 6: Final answer
   x = 7,485,266.19