Finding the Fourth Proportional to 104,781,978.58, 143,551,822.82 and 100,854,775

Step by Step Solution

1. Step 1: Write the proportion equation
   104,781,978.58 : 143,551,822.82 = 100,854,775 : x
2. Step 2: Convert to fraction form
   104,781,978.58/143,551,822.82 = 100,854,775/x
3. Step 3: Cross multiply
   104,781,978.58x = 143,551,822.82 × 100,854,775
4. Step 4: Simplify right side
   104,781,978.58x = 14,477,886,791,350,964
5. Step 5: Solve for x
   x = 14,477,886,791,350,964/104,781,978.58
6. Step 6: Final answer
   x = 138,171,534.72