Finding the Fourth Proportional to 98,698,003.47, 136,212,384.51 and 54,645,002.73

Step by Step Solution

1. Step 1: Write the proportion equation
   98,698,003.47 : 136,212,384.51 = 54,645,002.73 : x
2. Step 2: Convert to fraction form
   98,698,003.47/136,212,384.51 = 54,645,002.73/x
3. Step 3: Cross multiply
   98,698,003.47x = 136,212,384.51 × 54,645,002.73
4. Step 4: Simplify right side
   98,698,003.47x = 7,443,326,123,408,759
5. Step 5: Solve for x
   x = 7,443,326,123,408,759/98,698,003.47
6. Step 6: Final answer
   x = 75,415,164.05