Finding the Fourth Proportional to 19,978,979.40, 29,956,333.38 and 7,833,892.14

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,979.40 : 29,956,333.38 = 7,833,892.14 : x
2. Step 2: Convert to fraction form
   19,978,979.40/29,956,333.38 = 7,833,892.14/x
3. Step 3: Cross multiply
   19,978,979.40x = 29,956,333.38 × 7,833,892.14
4. Step 4: Simplify right side
   19,978,979.40x = 234,674,684,608,801.62
5. Step 5: Solve for x
   x = 234,674,684,608,801.62/19,978,979.40
6. Step 6: Final answer
   x = 11,746,079.71