Finding the Fourth Proportional to 104,254,314.70, 143,360,770.89 and 90,479,363.98

Step by Step Solution

1. Step 1: Write the proportion equation
   104,254,314.70 : 143,360,770.89 = 90,479,363.98 : x
2. Step 2: Convert to fraction form
   104,254,314.70/143,360,770.89 = 90,479,363.98/x
3. Step 3: Cross multiply
   104,254,314.70x = 143,360,770.89 × 90,479,363.98
4. Step 4: Simplify right side
   104,254,314.70x = 12,971,191,369,809,698
5. Step 5: Solve for x
   x = 12,971,191,369,809,698/104,254,314.70
6. Step 6: Final answer
   x = 124,418,748.59