Finding the Fourth Proportional to 23,290,053.12, 32,139,848.16 and 12,976,555.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290,053.12 : 32,139,848.16 = 12,976,555.68 : x
2. Step 2: Convert to fraction form
   23,290,053.12/32,139,848.16 = 12,976,555.68/x
3. Step 3: Cross multiply
   23,290,053.12x = 32,139,848.16 × 12,976,555.68
4. Step 4: Simplify right side
   23,290,053.12x = 417,064,529,194,985.56
5. Step 5: Solve for x
   x = 417,064,529,194,985.56/23,290,053.12
6. Step 6: Final answer
   x = 17,907,409.96