Finding the Fourth Proportional to 13,808,620.02, 19,056,045.06 and 7,613,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,808,620.02 : 19,056,045.06 = 7,613,678.72 : x
2. Step 2: Convert to fraction form
   13,808,620.02/19,056,045.06 = 7,613,678.72/x
3. Step 3: Cross multiply
   13,808,620.02x = 19,056,045.06 × 7,613,678.72
4. Step 4: Simplify right side
   13,808,620.02x = 145,086,604,665,402.88
5. Step 5: Solve for x
   x = 145,086,604,665,402.88/13,808,620.02
6. Step 6: Final answer
   x = 10,506,959.02