Finding the Fourth Proportional to 105,062,688.34, 157,689,665.40 and 55,919,799.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,062,688.34 : 157,689,665.40 = 55,919,799.34 : x
2. Step 2: Convert to fraction form
   105,062,688.34/157,689,665.40 = 55,919,799.34/x
3. Step 3: Cross multiply
   105,062,688.34x = 157,689,665.40 × 55,919,799.34
4. Step 4: Simplify right side
   105,062,688.34x = 8,817,974,447,159,742
5. Step 5: Solve for x
   x = 8,817,974,447,159,742/105,062,688.34
6. Step 6: Final answer
   x = 83,930,599.78