Finding the Fourth Proportional to 99,698,017.06, 137,583,453.96 and 55,044,075.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,698,017.06 : 137,583,453.96 = 55,044,075.52 : x
2. Step 2: Convert to fraction form
   99,698,017.06/137,583,453.96 = 55,044,075.52/x
3. Step 3: Cross multiply
   99,698,017.06x = 137,583,453.96 × 55,044,075.52
4. Step 4: Simplify right side
   99,698,017.06x = 7,573,154,030,076,684
5. Step 5: Solve for x
   x = 7,573,154,030,076,684/99,698,017.06
6. Step 6: Final answer
   x = 75,960,929.35