Finding the Fourth Proportional to 13,128,081.72, 19,691,410.77 and 4,030,181.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,128,081.72 : 19,691,410.77 = 4,030,181.16 : x
2. Step 2: Convert to fraction form
   13,128,081.72/19,691,410.77 = 4,030,181.16/x
3. Step 3: Cross multiply
   13,128,081.72x = 19,691,410.77 × 4,030,181.16
4. Step 4: Simplify right side
   13,128,081.72x = 79,359,952,699,075.09
5. Step 5: Solve for x
   x = 79,359,952,699,075.09/13,128,081.72
6. Step 6: Final answer
   x = 6,045,053.22