Finding the Fourth Proportional to 3,781,667.79, 5,672,498.45 and 1,385,699.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781,667.79 : 5,672,498.45 = 1,385,699.94 : x
2. Step 2: Convert to fraction form
   3,781,667.79/5,672,498.45 = 1,385,699.94/x
3. Step 3: Cross multiply
   3,781,667.79x = 5,672,498.45 × 1,385,699.94
4. Step 4: Simplify right side
   3,781,667.79x = 7,860,380,754,886.59
5. Step 5: Solve for x
   x = 7,860,380,754,886.59/3,781,667.79
6. Step 6: Final answer
   x = 2,078,548.72