Finding the Fourth Proportional to 13,262,120.16, 18,300,678.96 and 7,459,746.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,262,120.16 : 18,300,678.96 = 7,459,746.72 : x
2. Step 2: Convert to fraction form
   13,262,120.16/18,300,678.96 = 7,459,746.72/x
3. Step 3: Cross multiply
   13,262,120.16x = 18,300,678.96 × 7,459,746.72
4. Step 4: Simplify right side
   13,262,120.16x = 136,518,429,845,633.02
5. Step 5: Solve for x
   x = 136,518,429,845,633.02/13,262,120.16
6. Step 6: Final answer
   x = 10,293,861.63