Finding the Fourth Proportional to 56,160,104.10, 78,850,893.90 and 56,160,104.10

Step by Step Solution

1. Step 1: Write the proportion equation
   56,160,104.10 : 78,850,893.90 = 56,160,104.10 : x
2. Step 2: Convert to fraction form
   56,160,104.10/78,850,893.90 = 56,160,104.10/x
3. Step 3: Cross multiply
   56,160,104.10x = 78,850,893.90 × 56,160,104.10
4. Step 4: Simplify right side
   56,160,104.10x = 4,428,274,409,802,055.50
5. Step 5: Solve for x
   x = 4,428,274,409,802,055.50/56,160,104.10
6. Step 6: Final answer
   x = 78,850,893.90