Finding the Fourth Proportional to 28,032,146.72, 42,048,258.96 and 7,837,369.28

Step by Step Solution

1. Step 1: Write the proportion equation
   28,032,146.72 : 42,048,258.96 = 7,837,369.28 : x
2. Step 2: Convert to fraction form
   28,032,146.72/42,048,258.96 = 7,837,369.28/x
3. Step 3: Cross multiply
   28,032,146.72x = 42,048,258.96 × 7,837,369.28
4. Step 4: Simplify right side
   28,032,146.72x = 329,547,733,050,588.75
5. Step 5: Solve for x
   x = 329,547,733,050,588.75/28,032,146.72
6. Step 6: Final answer
   x = 11,756,064.79