Finding the Fourth Proportional to 117,078,298.09, 161,567,925.14 and 64,156,296.18

Step by Step Solution

1. Step 1: Write the proportion equation
   117,078,298.09 : 161,567,925.14 = 64,156,296.18 : x
2. Step 2: Convert to fraction form
   117,078,298.09/161,567,925.14 = 64,156,296.18/x
3. Step 3: Cross multiply
   117,078,298.09x = 161,567,925.14 × 64,156,296.18
4. Step 4: Simplify right side
   117,078,298.09x = 10,365,599,658,469,906
5. Step 5: Solve for x
   x = 10,365,599,658,469,906/117,078,298.09
6. Step 6: Final answer
   x = 88,535,619.56