Finding the Fourth Proportional to 195,348,374.16, 292,799,667.32 and 78,689,082.27

Step by Step Solution

1. Step 1: Write the proportion equation
   195,348,374.16 : 292,799,667.32 = 78,689,082.27 : x
2. Step 2: Convert to fraction form
   195,348,374.16/292,799,667.32 = 78,689,082.27/x
3. Step 3: Cross multiply
   195,348,374.16x = 292,799,667.32 × 78,689,082.27
4. Step 4: Simplify right side
   195,348,374.16x = 23,040,137,109,978,664
5. Step 5: Solve for x
   x = 23,040,137,109,978,664/195,348,374.16
6. Step 6: Final answer
   x = 117,943,838.59