Finding the Fourth Proportional to 72,187,978.19, 99,509,202.81 and 44,258,982.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,187,978.19 : 99,509,202.81 = 44,258,982.17 : x
2. Step 2: Convert to fraction form
   72,187,978.19/99,509,202.81 = 44,258,982.17/x
3. Step 3: Cross multiply
   72,187,978.19x = 99,509,202.81 × 44,258,982.17
4. Step 4: Simplify right side
   72,187,978.19x = 4,404,176,032,421,158
5. Step 5: Solve for x
   x = 4,404,176,032,421,158/72,187,978.19
6. Step 6: Final answer
   x = 61,009,826.61