Finding the Fourth Proportional to 11,142,139.64, 15,370,493.63 and 7,276,923.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,142,139.64 : 15,370,493.63 = 7,276,923.32 : x
2. Step 2: Convert to fraction form
   11,142,139.64/15,370,493.63 = 7,276,923.32/x
3. Step 3: Cross multiply
   11,142,139.64x = 15,370,493.63 × 7,276,923.32
4. Step 4: Simplify right side
   11,142,139.64x = 111,849,903,422,821.38
5. Step 5: Solve for x
   x = 111,849,903,422,821.38/11,142,139.64
6. Step 6: Final answer
   x = 10,038,458.24