Finding the Fourth Proportional to 1,429,969,554.15, 1,973,523,315.96 and 835,402,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,969,554.15 : 1,973,523,315.96 = 835,402,663.50 : x
2. Step 2: Convert to fraction form
   1,429,969,554.15/1,973,523,315.96 = 835,402,663.50/x
3. Step 3: Cross multiply
   1,429,969,554.15x = 1,973,523,315.96 × 835,402,663.50
4. Step 4: Simplify right side
   1,429,969,554.15x = 1,648,686,634,632,336,128
5. Step 5: Solve for x
   x = 1,648,686,634,632,336,128/1,429,969,554.15
6. Step 6: Final answer
   x = 1,152,952,263.81