Finding the Fourth Proportional to 9,283,337.76, 12,810,814.56 and 5,153,128.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,283,337.76 : 12,810,814.56 = 5,153,128.32 : x
2. Step 2: Convert to fraction form
   9,283,337.76/12,810,814.56 = 5,153,128.32/x
3. Step 3: Cross multiply
   9,283,337.76x = 12,810,814.56 × 5,153,128.32
4. Step 4: Simplify right side
   9,283,337.76x = 66,015,771,311,404.34
5. Step 5: Solve for x
   x = 66,015,771,311,404.34/9,283,337.76
6. Step 6: Final answer
   x = 7,111,210.75