Finding the Fourth Proportional to 82,978,774.70, 116,340,345.70 and 82,978,774.70

Step by Step Solution

1. Step 1: Write the proportion equation
   82,978,774.70 : 116,340,345.70 = 82,978,774.70 : x
2. Step 2: Convert to fraction form
   82,978,774.70/116,340,345.70 = 82,978,774.70/x
3. Step 3: Cross multiply
   82,978,774.70x = 116,340,345.70 × 82,978,774.70
4. Step 4: Simplify right side
   82,978,774.70x = 9,653,779,334,360,414
5. Step 5: Solve for x
   x = 9,653,779,334,360,414/82,978,774.70
6. Step 6: Final answer
   x = 116,340,345.70